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          <p>此教程意在搭建一个有mod的服务器</p>
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          <p>本文回答下面的问题：</p>
<ul>
<li>数据库的隔离级别有哪些？</li>
<li>数据库的隔离级别有什么效果？或者说每个隔离级别解决的问题？</li>
<li>封锁协议有哪些？</li>
<li>数据库的隔离级别和封锁协议的关系？</li>
</ul>
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          <p>已经安装完MySQL 已经安装完Java 版本要求 java 1.8.0.144</p>
<h2 id="安装connector">安装connector</h2>
<p>下载地址 <a href="https://dev.mysql.com/downloads/connector/j/" target="_blank" rel="noopener">MySQL :: Download Connector/J</a> 下载时，Windows 用户选择 <code>Platform Independent</code> 版本，下载好后，直接解压，并将<code>mysql-connector-java-x.x.x.jar</code>复制到 jre 目录 <code>C:\Program Files\Java\jre1.8.0_144\lib\ext</code> 下.</p>
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          <p>Java 环境配置摘要</p>
<h2 id="下载安装jdk">下载安装JDK</h2>
<p><a href="https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html" target="_blank" rel="noopener">官方下载链接</a>，下载对应版本后，双击安装即可</p>
<h2 id="配置环境变量">配置环境变量</h2>
<ol type="1">
<li>新建<code>JAVA_HOME</code>环境变量，变量值为jdk安装目录，我的电脑上为<code>C:\Program Files\Java\jdk1.8.0_144</code></li>
<li>新建 <code>CLASSPATH</code> 变量，变量值填写 <code>.;%JAVA_HOME%\lib;%JAVA_HOME%\lib\tools.jar</code></li>
<li><code>Path</code> 变量增加路径 <code>%JAVA_HOME%\bin</code> 和 <code>%JAVA_HOME%\jre\bin</code></li>
</ol>
<blockquote>
<p><strong>PS</strong> 以后安装其他版本jdk时只需修改<code>JAVA_HOME</code>环境变量即可</p>
</blockquote>
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          <p><strong>赛马问题</strong>：25匹马，5条赛道，每个跑道最多能有1匹马进行比赛，只能记录比较的名次信息，求最少赛多少次即可得出前五名？</p>
<p>先说结论：采用合适的策略，最坏比赛8次即可得到跑的最快的前五名。</p>
<p>虽然网上有很多分析，但是大多都是最坏要比较9次或10次的方案，并不够完善，我这里提供一个比较完整的分析。</p>
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          <p><strong>为何会有这个问题？</strong></p>
<p>网易笔试很悲催的遇到这个问题，然后脑子生锈用很蠢的循环去写，而且还没写出来，这里我整理了一些其他的办法来优化，争取做到 高效，简洁，优美。</p>
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          <p>一个基于hanlp的小说人名关系提取工具</p>
<figure>
<img src="/posts/16539/santi.png" alt><figcaption>santi</figcaption>
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          <p>遇到 <code>OpenCV Error: Unspecified error (The function is not implemented. Rebuild the library with Windows, GTK+ 2.x or Carbon support. If you are on Ubuntu or Debian, install libgtk2.0-dev and pkg-config, then re-run cmake or configure script)</code> 的解决办法</p>
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          <h2 id="插入图片">插入图片</h2>
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          <h2 id="basics">Basics</h2>
<h3 id="define-sequence">Define sequence</h3>
<p>定义序列</p>
<figure class="highlight matlab"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line">a = <span class="number">2</span>:<span class="number">5</span>; <span class="comment">% meaning a=[2 3 4 5], size 1x4, row vector</span></span><br><span class="line">a = [<span class="number">2</span> <span class="number">3</span> <span class="number">4</span> <span class="number">5</span>]; <span class="comment">% same as above</span></span><br><span class="line">a = [<span class="number">2</span>; <span class="number">3</span>; <span class="number">4</span>; <span class="number">5</span>]; <span class="comment">%  size 4x1, column vector</span></span><br><span class="line">a = <span class="number">2</span>:<span class="number">0.5</span>:<span class="number">5</span>; <span class="comment">% meaning a=[2 2.5 3 3.5 4 4.5 5], step 0.5</span></span><br></pre></td></tr></table></figure>
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